CVE-2021-27591
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedWhen a user opens manipulated Portable Document Format (.PDF) format files received from untrusted sources in SAP 3D Visual Enterprise Viewer version 9, the application crashes and becomes temporarily unavailable to the user until restart of the application.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceA denial-of-service vulnerability in SAP 3D Visual Enterprise Viewer version 9 allows remote attackers to crash the application by providing a specially crafted PDF file. The malformed PDF triggers a parsing error that causes the application to become unresponsive, requiring a restart to recover.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 9CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Confirm installed product versionLocate SAP 3D Visual Enterprise Viewer in your installed programs and verify the version number is exactly 9. Check the application's About or Help menu for the version information.Affected if Version is 9.0 (or simply version 9)
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Identify PDF processing capabilityDetermine if the installation includes PDF import or viewing functionality. Review the application's supported file formats or plugin/modules list.Affected if PDF file handling module or feature is present and enabled
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Check for recent application crashesReview application event logs or crash dump files for instances where SAP 3D Visual Enterprise Viewer became unresponsive or terminated while processing PDF files.Affected if The application has crashed or become unresponsive when loading PDF files
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Assess PDF file handling exposureExamine whether users have the ability to open or import PDF files into the viewer. Check file association settings and any enterprise deployment configurations.Affected if PDF files can be opened directly in the application
You are affected if SAP 3D Visual Enterprise Viewer version 9 is installed and users can open or import PDF files, which would trigger the parsing error causing application unresponsiveness.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUsers should avoid opening PDF files from untrusted or unknown sources. Organizations should implement file type restrictions and consider deploying the application in sandboxed environments to limit exposure. Contact SAP for official patches.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-27591 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2021-27591 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data